Statistics for occurrence #1 of “James river” in chapter 10.94, section c.10.94.135, page 427 of Southern Historical Society Papers, Volume 9.:

...in: June 27th, 1862, 3 P. M.--We have been fighting nearly all day against greatly superior numbers. We shall endeavor to hold our own, and if compelled to fall back shall do it in good order, upon James river if possible. * * * [Italics mine.]
...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
James River (United States) 4 0 0 0 0 user votes
James River (Australia) 0 0 0 0 0 user votes
James River (Texas, United States) 0 0 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.